csutil/virtclk.h

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00001 /*
00002     Copyright (C) 2001 by Jorrit Tyberghein
00003 
00004     This library is free software; you can redistribute it and/or
00005     modify it under the terms of the GNU Library General Public
00006     License as published by the Free Software Foundation; either
00007     version 2 of the License, or (at your option) any later version.
00008 
00009     This library is distributed in the hope that it will be useful,
00010     but WITHOUT ANY WARRANTY; without even the implied warranty of
00011     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012     Library General Public License for more details.
00013 
00014     You should have received a copy of the GNU Library General Public
00015     License along with this library; if not, write to the Free
00016     Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
00017 */
00018 
00019 #ifndef __CS_VIRTCLK_H__
00020 #define __CS_VIRTCLK_H__
00021 
00026 #include "csextern.h"
00027 #include "csutil/scf_implementation.h"
00028 #include "iutil/virtclk.h"
00029 
00035 class CS_CRYSTALSPACE_EXPORT csVirtualClock : 
00036   public scfImplementation1<csVirtualClock, iVirtualClock>
00037 {
00038 private:
00040   enum 
00041   { 
00043     flagSuspended = 1,
00049     flagFirstShot = 2 
00050   };
00052   csTicks elapsedTime;
00054   csTicks currentVirtualTime;
00056   csTicks currentRealTime;
00057   uint flags;
00058 public:
00059   csVirtualClock ();
00060   virtual ~csVirtualClock ();
00061 
00062   virtual void Advance ();
00063   virtual void Suspend ();
00064   virtual void Resume ();
00065   virtual csTicks GetElapsedTicks () const { return elapsedTime; }
00066   virtual csTicks GetCurrentTicks () const { return currentVirtualTime; }
00067 };
00068 
00069 #endif // __CS_VIRTCLK_H__
00070
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csutil/virtclk.h
